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30603

Potassium hydroxide

Name: Potassium hydroxide
Brand: SIGALD

pellets, reag. Ph. Eur., ≥85%

동의어(들):

Caustic potash

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:

KOH

CAS 번호:

1310-58-3

Molecular Weight:

56.11

PubChem Substance ID:

329753544

eCl@ss:

38100303

UNSPSC Code:

12352106

NACRES:

NA.21

EC Number:

215-181-3

MDL number:

MFCD00003553

Assay:

≥85%

Form:

pellets

Solubility:

water: soluble ((1,130 g/l (68 °F / 20 °C))

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도움 문의

속성

Quality Level

200

agency

USP/NF, reag. Ph. Eur.

vapor pressure

1 mmHg ( 719 °C)

assay

≥85%

form

pellets

impurities

≤2.0% K₂CO₃

pH

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

solubility

water: soluble ((1,130 g/l (68 °F / 20 °C))

anion traces

chloride (Cl^-): ≤0.02%, phosphate (PO₄^3-): ≤0.01%, sulfate (SO₄^2-): ≤0.02%

cation traces

Al: ≤0.001%, Ca: ≤0.001%, Fe: ≤0.001%, Na: ≤1.0%, Ni: ≤0.0005%

SMILES string

[OH-].[K+]

InChI

1S/K.H2O/h;1H2/q+1;/p-1

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

설명

General description

Potassium hydroxide is a strong alkali that can be used in nucleophilic substitution reactions, addition reactions, and basic hydrolysis reactions. It can also be used to catalyze aldol-type reactions.

Application

Potassium hydroxide can be used as a base:

In the Pd-catalyzed Heck reaction of aryl halides with alkenes.
To synthesize β-alkylated alcohols via pincer-Ni catalyzed Guerbet reaction.
For the hydroxylation of aryl or heteroarylboronic acids to corresponding phenols.

It can also be used as a catalyst for the:

Transesterification of triglycerides to prepare biodiesels.
Synthesis of β-phenylethylamines via intermolecular addition of arylamines to styrenes.
Claisen-Schmidt condensation reaction to synthesize chalcones.

Packaging

This product is also available in glass bottles.

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pictograms

GHS05,GHS07

signalword

Danger

hcodes

H290,H302,H314

pcodes

P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

저장 등급

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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시험 성적서(COA)

Lot/Batch Number

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문서 라이브러리 방문

Potassium hydroxide catalyzed addition of arylamines to styrenes

Jaspers D, et al.

Synlett, 2011, 1444-1448 (2011)

Novel CuCl2-cryptand-[2.2. Benzo] complex: A base free and oxidant free catalyst for Ipso-Hydroxylation of aryl/heteroaryl-boronic acids in water at room temperature

Bora S, et al.

Journal of Organometallic Chemistry, 851, 52-56 (2017)

Sub-micron silicon nitride waveguide fabrication using conventional optical lithography.

Yuewang Huang et al.

Optics express, 23(5), 6780-6786 (2015-04-04)

We demonstrate a novel technique to fabricate sub-micron silicon nitride waveguides using conventional contact lithography with MEMS-grade photomasks. Potassium hydroxide anisotropic etching of silicon facilitates line reduction and roughness smoothing and is key to the technique. The fabricated waveguides is

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국제 무역 품목 번호

SKU	GTIN
30603-1KG	04061826672716
30603-6X1KG	04061826672730
30603-500G	04061826672723
30603-5KG	04061833458891